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runtime/race: also unmap memory if TestNonGoMemory fails

Change-Id: I7ea150e4896fc9b2e3a6dbdd9a1c2b651e74b844
Reviewed-on: https://go-review.googlesource.com/c/go/+/428778
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
Tobias Klauser 2022-09-07 13:35:24 +02:00 committed by Gopher Robot
parent 861885841d
commit 600db8a514

View File

@ -19,11 +19,11 @@ func TestNonGoMemory(t *testing.T) {
if err != nil {
t.Fatalf("failed to mmap memory: %v", err)
}
defer syscall.Munmap(data)
p := (*uint32)(unsafe.Pointer(&data[0]))
atomic.AddUint32(p, 1)
(*p)++
if *p != 2 {
t.Fatalf("data[0] = %v, expect 2", *p)
}
syscall.Munmap(data)
}